54821-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54821-44-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,2 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54821-44:
(7*5)+(6*4)+(5*8)+(4*2)+(3*1)+(2*4)+(1*4)=122
122 % 10 = 2
So 54821-44-2 is a valid CAS Registry Number.
InChI:InChI=1/C20H24N2O3/c1-3-13-12-21-8-6-14(13)10-19(21)20(23)16-7-9-22(24)18-5-4-15(25-2)11-17(16)18/h3-5,7,9,11,13-14,19-20,23H,1,6,8,10,12H2,2H3/t13-,14?,19-,20+/m0/s1